User manual

Groundsmaster 4000--D/4010--D Cutting DecksPage 8 -- 11
Removal (Fig. 9)
1. Parkmachine on a level surface,lowercuttingdeck,
stop engine, engage parking brake and remove key
from the ignition switch.
2. Remove deck covers from top of cutting deck.
CAUTION
Be careful when removing idler spring. The
spring is under heavy load and may cause per-
sonal injury.
3. Usespring hook toolto unhook the idler spring (item
15) from the adjusting screw (item 4).
4. Remove drive belt(s) from deck pulleys.
5. Loosen flange nuts (item 11) that secure idler stop
bolt(item10)tocuttingdecktoallowclearancebetween
idler arm and stop bolt.
6. Remove idler components as needed using Figure
9as a guide. Note locationofwashers,idler spacer and
screw as idler assemblies are being removed.
Installation (Fig. 9)
1. Install removed idler components using Figure 9 as
a guide.
A. Makesure that one (1) thrust washer (item 19) is
placed above and below the idler arm. Location of
additionalwasher (item 22) depends onwhetherthe
idlerpulleymountsonthebottomsideoftheidlerarm
or on the top of the idler arm.
B. Secure idler arm assembly to cutting deck with
retaining ring.
C. Ifidlerstopbolt(item10)wasr emovedfromdeck,
makesurethatitisinstalledintheholethatallowsthe
stop bolt head to align with the idler arm.
2. Install drive belt to pulleys.
CAUTION
Be careful when installing the idler spring. The
spring is under heavy load and may cause per-
sonal injury.
3. Use spring hook tool to attach the idler spring (item
15) onto the adjusting screw (item 4) and shoulder bolt
on idler arm.
4. With the idler arm tensioning the drive belt, the idler
spring hook to hook length s hould be from 3.250” to
3.750”(82.6 to95.2 mm) (Fig.10). Ifnecessary,discon-
nect spring and change position of adjusting screw.
When idler spring is the correct length, tighten second
flange nut to secure idler adjustment.
5. Adjustlocationofidlerstopboltsothattheclearance
betweenidlerarmandidlerstopboltheadisfrom0.125”
to 0.185” (3.2 to 4.6 mm) (Fig. 10).
6. Lubricate idler arm grease fitting.
7. Install deck covers to cutting deck.
Figure 10
3.250” to 3.750”
(82.6 to 95.2 mm)
0.125” to 0.185”
(3.2 to 4.6 mm)
1. Idler stop bolt
2. Idler spring
3. Adjusting screw
1
2
3
Cutting
Decks